Filed: August 6, 1991 electrical apparatus and instruments, including a direction finder for locating the source of electromagnetic signals, primarily… Owned by:L-TRONICS Serial Number:74192143
Filed: November 9, 1992 electrical apparatus; namely, a direction finder for locating the source of electromagnetic signals, primarily in the UHF… Owned by:L-TRONICS Serial Number:74329523
Filed: November 16, 1992 electrical apparatus and instruments; namely, a direction finder for locating the source of electromagnetic signals, primarily… Owned by:L-TRONICS Serial Number:74331538